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<a name="1" href="#1">1</a>   <strong>package</strong> <a href="../../../../../../org/apache/torque/engine/database/transform/package-summary.html">org.apache.torque.engine.database.transform</a>;
<a name="2" href="#2">2</a>   
<a name="3" href="#3">3</a>   <em class="comment">/*</em>
<a name="4" href="#4">4</a>   <em class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a name="5" href="#5">5</a>   <em class="comment"> * or more contributor license agreements.  See the NOTICE file</em>
<a name="6" href="#6">6</a>   <em class="comment"> * distributed with this work for additional information</em>
<a name="7" href="#7">7</a>   <em class="comment"> * regarding copyright ownership.  The ASF licenses this file</em>
<a name="8" href="#8">8</a>   <em class="comment"> * to you under the Apache License, Version 2.0 (the</em>
<a name="9" href="#9">9</a>   <em class="comment"> * "License"); you may not use this file except in compliance</em>
<a name="10" href="#10">10</a>  <em class="comment"> * with the License.  You may obtain a copy of the License at</em>
<a name="11" href="#11">11</a>  <em class="comment"> *</em>
<a name="12" href="#12">12</a>  <em class="comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="13" href="#13">13</a>  <em class="comment"> *</em>
<a name="14" href="#14">14</a>  <em class="comment"> * Unless required by applicable law or agreed to in writing,</em>
<a name="15" href="#15">15</a>  <em class="comment"> * software distributed under the License is distributed on an</em>
<a name="16" href="#16">16</a>  <em class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a name="17" href="#17">17</a>  <em class="comment"> * KIND, either express or implied.  See the License for the</em>
<a name="18" href="#18">18</a>  <em class="comment"> * specific language governing permissions and limitations</em>
<a name="19" href="#19">19</a>  <em class="comment"> * under the License.</em>
<a name="20" href="#20">20</a>  <em class="comment"> */</em>
<a name="21" href="#21">21</a>  
<a name="22" href="#22">22</a>  <strong>import</strong> java.io.BufferedInputStream;
<a name="23" href="#23">23</a>  <strong>import</strong> java.io.File;
<a name="24" href="#24">24</a>  <strong>import</strong> java.io.FileInputStream;
<a name="25" href="#25">25</a>  <strong>import</strong> java.io.FileNotFoundException;
<a name="26" href="#26">26</a>  <strong>import</strong> java.util.Stack;
<a name="27" href="#27">27</a>  <strong>import</strong> java.util.Vector;
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  <strong>import</strong> javax.xml.parsers.SAXParser;
<a name="30" href="#30">30</a>  <strong>import</strong> javax.xml.parsers.SAXParserFactory;
<a name="31" href="#31">31</a>  
<a name="32" href="#32">32</a>  <strong>import</strong> org.apache.commons.logging.Log;
<a name="33" href="#33">33</a>  <strong>import</strong> org.apache.commons.logging.LogFactory;
<a name="34" href="#34">34</a>  <strong>import</strong> org.apache.torque.engine.EngineException;
<a name="35" href="#35">35</a>  <strong>import</strong> org.apache.torque.engine.database.model.Column;
<a name="36" href="#36">36</a>  <strong>import</strong> org.apache.torque.engine.database.model.Database;
<a name="37" href="#37">37</a>  <strong>import</strong> org.apache.torque.engine.database.model.Domain;
<a name="38" href="#38">38</a>  <strong>import</strong> org.apache.torque.engine.database.model.ForeignKey;
<a name="39" href="#39">39</a>  <strong>import</strong> org.apache.torque.engine.database.model.Index;
<a name="40" href="#40">40</a>  <strong>import</strong> org.apache.torque.engine.database.model.Table;
<a name="41" href="#41">41</a>  <strong>import</strong> org.apache.torque.engine.database.model.Unique;
<a name="42" href="#42">42</a>  <strong>import</strong> org.xml.sax.Attributes;
<a name="43" href="#43">43</a>  <strong>import</strong> org.xml.sax.InputSource;
<a name="44" href="#44">44</a>  <strong>import</strong> org.xml.sax.SAXException;
<a name="45" href="#45">45</a>  <strong>import</strong> org.xml.sax.SAXParseException;
<a name="46" href="#46">46</a>  <strong>import</strong> org.xml.sax.helpers.DefaultHandler;
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>  <em>/**<em>*</em></em>
<a name="49" href="#49">49</a>  <em> * A Class that is used to parse an input xml schema file and creates a Database</em>
<a name="50" href="#50">50</a>  <em> * java structure.</em>
<a name="51" href="#51">51</a>  <em> *</em>
<a name="52" href="#52">52</a>  <em> * @author &lt;a href="<a href="mailto:leon@opticode.co.za" target="alexandria_uri">mailto:leon@opticode.co.za</a>">Leon Messerschmidt&lt;/a></em>
<a name="53" href="#53">53</a>  <em> * @author &lt;a href="<a href="mailto:jvanzyl@apache.org" target="alexandria_uri">mailto:jvanzyl@apache.org</a>">Jason van Zyl&lt;/a></em>
<a name="54" href="#54">54</a>  <em> * @author &lt;a href="<a href="mailto:mpoeschl@marmot.at" target="alexandria_uri">mailto:mpoeschl@marmot.at</a>">Martin Poeschl&lt;/a></em>
<a name="55" href="#55">55</a>  <em> * @author &lt;a href="<a href="mailto:dlr@collab.net" target="alexandria_uri">mailto:dlr@collab.net</a>">Daniel Rall&lt;/a></em>
<a name="56" href="#56">56</a>  <em> * @author &lt;a href="<a href="mailto:fischer@seitenbau.de" target="alexandria_uri">mailto:fischer@seitenbau.de</a>">Thomas Fischer&lt;/a></em>
<a name="57" href="#57">57</a>  <em> * @author &lt;a href="<a href="mailto:monroe@dukece.com" target="alexandria_uri">mailto:monroe@dukece.com</a>>Greg Monroe&lt;/a></em>
<a name="58" href="#58">58</a>  <em> * @version $Id: XmlToAppData.java 473814 2006-11-11 22:30:30Z tv $</em>
<a name="59" href="#59">59</a>  <em> */</em>
<a name="60" href="#60">60</a>  <strong>public</strong> <strong>class</strong> <a href="../../../../../../org/apache/torque/engine/database/transform/XmlToAppData.html">XmlToAppData</a> <strong>extends</strong> DefaultHandler
<a name="61" href="#61">61</a>  {
<a name="62" href="#62">62</a>      <em>/**<em>* Logging class from commons.logging */</em></em>
<a name="63" href="#63">63</a>      <strong>private</strong> <strong>static</strong> Log log = LogFactory.getLog(XmlToAppData.<strong>class</strong>);
<a name="64" href="#64">64</a>  
<a name="65" href="#65">65</a>      <strong>private</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Database.html">Database</a> database;
<a name="66" href="#66">66</a>      <strong>private</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Table.html">Table</a> currTable;
<a name="67" href="#67">67</a>      <strong>private</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Column.html">Column</a> currColumn;
<a name="68" href="#68">68</a>      <strong>private</strong> <a href="../../../../../../org/apache/torque/engine/database/model/ForeignKey.html">ForeignKey</a> currFK;
<a name="69" href="#69">69</a>      <strong>private</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Index.html">Index</a> currIndex;
<a name="70" href="#70">70</a>      <strong>private</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Unique.html">Unique</a> currUnique;
<a name="71" href="#71">71</a>  
<a name="72" href="#72">72</a>      <strong>private</strong> <strong>boolean</strong> firstPass;
<a name="73" href="#73">73</a>      <strong>private</strong> <strong>boolean</strong> isExternalSchema;
<a name="74" href="#74">74</a>      <strong>private</strong> String currentPackage;
<a name="75" href="#75">75</a>      <strong>private</strong> String currentXmlFile;
<a name="76" href="#76">76</a>      <strong>private</strong> String defaultPackage;
<a name="77" href="#77">77</a>  
<a name="78" href="#78">78</a>      <strong>private</strong> <strong>static</strong> SAXParserFactory saxFactory;
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>      <em>/**<em>* remember all files we have already parsed to detect looping. */</em></em>
<a name="81" href="#81">81</a>      <strong>private</strong> Vector alreadyReadFiles;
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>      <em>/**<em>* this is the stack to store parsing data */</em></em>
<a name="84" href="#84">84</a>      <strong>private</strong> Stack parsingStack = <strong>new</strong> Stack();
<a name="85" href="#85">85</a>  
<a name="86" href="#86">86</a>      <strong>static</strong>
<a name="87" href="#87">87</a>      {
<a name="88" href="#88">88</a>          saxFactory = SAXParserFactory.newInstance();
<a name="89" href="#89">89</a>          saxFactory.setValidating(<strong>true</strong>);
<a name="90" href="#90">90</a>      }
<a name="91" href="#91">91</a>  
<a name="92" href="#92">92</a>      <em>/**<em>*</em></em>
<a name="93" href="#93">93</a>  <em>     * Creates a new instance for the specified database type.</em>
<a name="94" href="#94">94</a>  <em>     *</em>
<a name="95" href="#95">95</a>  <em>     * @param databaseType The type of database for the application.</em>
<a name="96" href="#96">96</a>  <em>     */</em>
<a name="97" href="#97">97</a>      <strong>public</strong> <a href="../../../../../../org/apache/torque/engine/database/transform/XmlToAppData.html">XmlToAppData</a>(String databaseType)
<a name="98" href="#98">98</a>      {
<a name="99" href="#99">99</a>          database = <strong>new</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Database.html">Database</a>(databaseType);
<a name="100" href="#100">100</a>         firstPass = <strong>true</strong>;
<a name="101" href="#101">101</a>     }
<a name="102" href="#102">102</a> 
<a name="103" href="#103">103</a>     <em>/**<em>*</em></em>
<a name="104" href="#104">104</a> <em>     * Creates a new instance for the specified database type.</em>
<a name="105" href="#105">105</a> <em>     *</em>
<a name="106" href="#106">106</a> <em>     * @param databaseType The type of database for the application.</em>
<a name="107" href="#107">107</a> <em>     * @param defaultPackage the default java package used for the om</em>
<a name="108" href="#108">108</a> <em>     */</em>
<a name="109" href="#109">109</a>     <strong>public</strong> <a href="../../../../../../org/apache/torque/engine/database/transform/XmlToAppData.html">XmlToAppData</a>(String databaseType, String defaultPackage)
<a name="110" href="#110">110</a>     {
<a name="111" href="#111">111</a>         database = <strong>new</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Database.html">Database</a>(databaseType);
<a name="112" href="#112">112</a>         <strong>this</strong>.defaultPackage = defaultPackage;
<a name="113" href="#113">113</a>         firstPass = <strong>true</strong>;
<a name="114" href="#114">114</a>     }
<a name="115" href="#115">115</a> 
<a name="116" href="#116">116</a>     <em>/**<em>*</em></em>
<a name="117" href="#117">117</a> <em>     * Parses a XML input file and returns a newly created and</em>
<a name="118" href="#118">118</a> <em>     * populated Database structure.</em>
<a name="119" href="#119">119</a> <em>     *</em>
<a name="120" href="#120">120</a> <em>     * @param xmlFile The input file to parse.</em>
<a name="121" href="#121">121</a> <em>     * @return Database populated by &lt;code>xmlFile&lt;/code>.</em>
<a name="122" href="#122">122</a> <em>     */</em>
<a name="123" href="#123">123</a>     <strong>public</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Database.html">Database</a> parseFile(String xmlFile)
<a name="124" href="#124">124</a>             throws <a href="../../../../../../org/apache/torque/engine/EngineException.html">EngineException</a>
<a name="125" href="#125">125</a>     {
<a name="126" href="#126">126</a>         <strong>try</strong>
<a name="127" href="#127">127</a>         {
<a name="128" href="#128">128</a>             <em class="comment">// in case I am missing something, make it obvious</em>
<a name="129" href="#129">129</a>             <strong>if</strong> (!firstPass)
<a name="130" href="#130">130</a>             {
<a name="131" href="#131">131</a>                 <strong>throw</strong> <strong>new</strong> Error(<span class="string">"No more double pass"</span>);
<a name="132" href="#132">132</a>             }
<a name="133" href="#133">133</a>             <em class="comment">// check to see if we alread have parsed the file</em>
<a name="134" href="#134">134</a>             <strong>if</strong> ((alreadyReadFiles != <strong>null</strong>)
<a name="135" href="#135">135</a>                     &amp;&amp; alreadyReadFiles.contains(xmlFile))
<a name="136" href="#136">136</a>             {
<a name="137" href="#137">137</a>                 <strong>return</strong> database;
<a name="138" href="#138">138</a>             }
<a name="139" href="#139">139</a>             <strong>else</strong> <strong>if</strong> (alreadyReadFiles == <strong>null</strong>)
<a name="140" href="#140">140</a>             {
<a name="141" href="#141">141</a>                 alreadyReadFiles = <strong>new</strong> Vector(3, 1);
<a name="142" href="#142">142</a>             }
<a name="143" href="#143">143</a> 
<a name="144" href="#144">144</a>             <em class="comment">// remember the file to avoid looping</em>
<a name="145" href="#145">145</a>             alreadyReadFiles.add(xmlFile);
<a name="146" href="#146">146</a> 
<a name="147" href="#147">147</a>             currentXmlFile = xmlFile;
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>             SAXParser parser = saxFactory.newSAXParser();
<a name="150" href="#150">150</a> 
<a name="151" href="#151">151</a>             FileInputStream fileInputStream = <strong>null</strong>;
<a name="152" href="#152">152</a>             <strong>try</strong>
<a name="153" href="#153">153</a>             {
<a name="154" href="#154">154</a>                 fileInputStream = <strong>new</strong> FileInputStream(xmlFile);
<a name="155" href="#155">155</a>             }
<a name="156" href="#156">156</a>             <strong>catch</strong> (FileNotFoundException fnfe)
<a name="157" href="#157">157</a>             {
<a name="158" href="#158">158</a>                 <strong>throw</strong> <strong>new</strong> FileNotFoundException
<a name="159" href="#159">159</a>                     (<strong>new</strong> File(xmlFile).getAbsolutePath());
<a name="160" href="#160">160</a>             }
<a name="161" href="#161">161</a>             BufferedInputStream bufferedInputStream
<a name="162" href="#162">162</a>                     = <strong>new</strong> BufferedInputStream(fileInputStream);
<a name="163" href="#163">163</a>             <strong>try</strong>
<a name="164" href="#164">164</a>             {
<a name="165" href="#165">165</a>                 log.info(<span class="string">"Parsing file: '"</span>
<a name="166" href="#166">166</a>                         + (<strong>new</strong> File(xmlFile)).getName() + <span class="string">"'"</span>);
<a name="167" href="#167">167</a>                 InputSource is = <strong>new</strong> InputSource(bufferedInputStream);
<a name="168" href="#168">168</a>                 parser.parse(is, <strong>this</strong>);
<a name="169" href="#169">169</a>             }
<a name="170" href="#170">170</a>             <strong>finally</strong>
<a name="171" href="#171">171</a>             {
<a name="172" href="#172">172</a>                 bufferedInputStream.close();
<a name="173" href="#173">173</a>             }
<a name="174" href="#174">174</a>         }
<a name="175" href="#175">175</a>         <strong>catch</strong> (SAXParseException e)
<a name="176" href="#176">176</a>         {
<a name="177" href="#177">177</a>             <strong>throw</strong> <strong>new</strong> <a href="../../../../../../org/apache/torque/engine/EngineException.html">EngineException</a>(<span class="string">"Sax error on line "</span>
<a name="178" href="#178">178</a>                         + e.getLineNumber()
<a name="179" href="#179">179</a>                         + <span class="string">" column "</span>
<a name="180" href="#180">180</a>                         + e.getColumnNumber()
<a name="181" href="#181">181</a>                         + <span class="string">" : "</span>
<a name="182" href="#182">182</a>                         + e.getMessage(),
<a name="183" href="#183">183</a>                     e);
<a name="184" href="#184">184</a>         }
<a name="185" href="#185">185</a>         <strong>catch</strong> (Exception e)
<a name="186" href="#186">186</a>         {
<a name="187" href="#187">187</a>             <strong>throw</strong> <strong>new</strong> <a href="../../../../../../org/apache/torque/engine/EngineException.html">EngineException</a>(e);
<a name="188" href="#188">188</a>         }
<a name="189" href="#189">189</a>         <strong>if</strong> (!isExternalSchema)
<a name="190" href="#190">190</a>         {
<a name="191" href="#191">191</a>             firstPass = false;
<a name="192" href="#192">192</a>         }
<a name="193" href="#193">193</a>         database.doFinalInitialization();
<a name="194" href="#194">194</a>         <strong>return</strong> database;
<a name="195" href="#195">195</a>     }
<a name="196" href="#196">196</a> 
<a name="197" href="#197">197</a>     <em>/**<em>*</em></em>
<a name="198" href="#198">198</a> <em>     * EntityResolver implementation. Called by the XML parser</em>
<a name="199" href="#199">199</a> <em>     *</em>
<a name="200" href="#200">200</a> <em>     * @param publicId The public identifier of the external entity</em>
<a name="201" href="#201">201</a> <em>     * @param systemId The system identifier of the external entity</em>
<a name="202" href="#202">202</a> <em>     * @return an InputSource for the database.dtd file</em>
<a name="203" href="#203">203</a> <em>     * @see DTDResolver#resolveEntity(String, String)</em>
<a name="204" href="#204">204</a> <em>     */</em>
<a name="205" href="#205">205</a>     <strong>public</strong> InputSource resolveEntity(String <strong>public</strong>Id, String systemId)
<a name="206" href="#206">206</a>             throws SAXException
<a name="207" href="#207">207</a>     {
<a name="208" href="#208">208</a>         <strong>try</strong>
<a name="209" href="#209">209</a>         {
<a name="210" href="#210">210</a>             <strong>return</strong> <strong>new</strong> <a href="../../../../../../org/apache/torque/engine/database/transform/DTDResolver.html">DTDResolver</a>().resolveEntity(publicId, systemId);
<a name="211" href="#211">211</a>         }
<a name="212" href="#212">212</a>         <strong>catch</strong> (Exception e)
<a name="213" href="#213">213</a>         {
<a name="214" href="#214">214</a>             <strong>throw</strong> <strong>new</strong> SAXException(e);
<a name="215" href="#215">215</a>         }
<a name="216" href="#216">216</a>     }
<a name="217" href="#217">217</a> 
<a name="218" href="#218">218</a>     <em>/**<em>*</em></em>
<a name="219" href="#219">219</a> <em>     * Handles opening elements of the xml file.</em>
<a name="220" href="#220">220</a> <em>     *</em>
<a name="221" href="#221">221</a> <em>     * @param uri</em>
<a name="222" href="#222">222</a> <em>     * @param localName The local name (without prefix), or the empty string if</em>
<a name="223" href="#223">223</a> <em>     *         Namespace processing is not being performed.</em>
<a name="224" href="#224">224</a> <em>     * @param rawName The qualified name (with prefix), or the empty string if</em>
<a name="225" href="#225">225</a> <em>     *         qualified names are not available.</em>
<a name="226" href="#226">226</a> <em>     * @param attributes The specified or defaulted attributes</em>
<a name="227" href="#227">227</a> <em>     */</em>
<a name="228" href="#228">228</a>     <strong>public</strong> <strong>void</strong> startElement(String uri, String localName, String rawName,
<a name="229" href="#229">229</a>                              Attributes attributes)
<a name="230" href="#230">230</a>             throws SAXException
<a name="231" href="#231">231</a>     {
<a name="232" href="#232">232</a>         <strong>try</strong>
<a name="233" href="#233">233</a>         {
<a name="234" href="#234">234</a>             <strong>if</strong> (rawName.equals(<span class="string">"database"</span>))
<a name="235" href="#235">235</a>             {
<a name="236" href="#236">236</a>                 <strong>if</strong> (isExternalSchema)
<a name="237" href="#237">237</a>                 {
<a name="238" href="#238">238</a>                     currentPackage = attributes.getValue(<span class="string">"package"</span>);
<a name="239" href="#239">239</a>                     <strong>if</strong> (currentPackage == <strong>null</strong>)
<a name="240" href="#240">240</a>                     {
<a name="241" href="#241">241</a>                         currentPackage = defaultPackage;
<a name="242" href="#242">242</a>                     }
<a name="243" href="#243">243</a>                 }
<a name="244" href="#244">244</a>                 <strong>else</strong>
<a name="245" href="#245">245</a>                 {
<a name="246" href="#246">246</a>                     database.loadFromXML(attributes);
<a name="247" href="#247">247</a>                     <strong>if</strong> (database.getPackage() == <strong>null</strong>)
<a name="248" href="#248">248</a>                     {
<a name="249" href="#249">249</a>                         database.setPackage(defaultPackage);
<a name="250" href="#250">250</a>                     }
<a name="251" href="#251">251</a>                 }
<a name="252" href="#252">252</a>             }
<a name="253" href="#253">253</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"external-schema"</span>))
<a name="254" href="#254">254</a>             {
<a name="255" href="#255">255</a>                 String xmlFile = attributes.getValue(<span class="string">"filename"</span>);
<a name="256" href="#256">256</a>                 <strong>if</strong> (xmlFile.charAt(0) != '/')
<a name="257" href="#257">257</a>                 {
<a name="258" href="#258">258</a>                     File f = <strong>new</strong> File(currentXmlFile);
<a name="259" href="#259">259</a>                     xmlFile = <strong>new</strong> File(f.getParent(), xmlFile).getPath();
<a name="260" href="#260">260</a>                 }
<a name="261" href="#261">261</a> 
<a name="262" href="#262">262</a>                 <em class="comment">// put current state onto the stack</em>
<a name="263" href="#263">263</a>                 ParseStackElement.pushState(<strong>this</strong>);
<a name="264" href="#264">264</a> 
<a name="265" href="#265">265</a>                 isExternalSchema = <strong>true</strong>;
<a name="266" href="#266">266</a> 
<a name="267" href="#267">267</a>                 parseFile(xmlFile);
<a name="268" href="#268">268</a>                 <em class="comment">// get the last state from the stack</em>
<a name="269" href="#269">269</a>                 ParseStackElement.popState(<strong>this</strong>);
<a name="270" href="#270">270</a>             }
<a name="271" href="#271">271</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"domain"</span>))
<a name="272" href="#272">272</a>             {
<a name="273" href="#273">273</a>                 <a href="../../../../../../org/apache/torque/engine/database/model/Domain.html">Domain</a> domain = <strong>new</strong> <a href="../../../../../../org/apache/torque/engine/database/model/Domain.html">Domain</a>();
<a name="274" href="#274">274</a>                 domain.loadFromXML(attributes, database.getPlatform());
<a name="275" href="#275">275</a>                 database.addDomain(domain);
<a name="276" href="#276">276</a>             }
<a name="277" href="#277">277</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"table"</span>))
<a name="278" href="#278">278</a>             {
<a name="279" href="#279">279</a>                 currTable = database.addTable(attributes);
<a name="280" href="#280">280</a>                 <strong>if</strong> (isExternalSchema)
<a name="281" href="#281">281</a>                 {
<a name="282" href="#282">282</a>                     currTable.setForReferenceOnly(<strong>true</strong>);
<a name="283" href="#283">283</a>                     currTable.setPackage(currentPackage);
<a name="284" href="#284">284</a>                 }
<a name="285" href="#285">285</a>             }
<a name="286" href="#286">286</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"column"</span>))
<a name="287" href="#287">287</a>             {
<a name="288" href="#288">288</a>                 currColumn = currTable.addColumn(attributes);
<a name="289" href="#289">289</a>             }
<a name="290" href="#290">290</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"inheritance"</span>))
<a name="291" href="#291">291</a>             {
<a name="292" href="#292">292</a>                 currColumn.addInheritance(attributes);
<a name="293" href="#293">293</a>             }
<a name="294" href="#294">294</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"foreign-key"</span>))
<a name="295" href="#295">295</a>             {
<a name="296" href="#296">296</a>                 currFK = currTable.addForeignKey(attributes);
<a name="297" href="#297">297</a>             }
<a name="298" href="#298">298</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"reference"</span>))
<a name="299" href="#299">299</a>             {
<a name="300" href="#300">300</a>                 currFK.addReference(attributes);
<a name="301" href="#301">301</a>             }
<a name="302" href="#302">302</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"index"</span>))
<a name="303" href="#303">303</a>             {
<a name="304" href="#304">304</a>                 currIndex = currTable.addIndex(attributes);
<a name="305" href="#305">305</a>             }
<a name="306" href="#306">306</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"index-column"</span>))
<a name="307" href="#307">307</a>             {
<a name="308" href="#308">308</a>                 currIndex.addColumn(attributes);
<a name="309" href="#309">309</a>             }
<a name="310" href="#310">310</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"unique"</span>))
<a name="311" href="#311">311</a>             {
<a name="312" href="#312">312</a>                 currUnique = currTable.addUnique(attributes);
<a name="313" href="#313">313</a>             }
<a name="314" href="#314">314</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"unique-column"</span>))
<a name="315" href="#315">315</a>             {
<a name="316" href="#316">316</a>                 currUnique.addColumn(attributes);
<a name="317" href="#317">317</a>             }
<a name="318" href="#318">318</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"id-method-parameter"</span>))
<a name="319" href="#319">319</a>             {
<a name="320" href="#320">320</a>                 currTable.addIdMethodParameter(attributes);
<a name="321" href="#321">321</a>             }
<a name="322" href="#322">322</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"option"</span>))
<a name="323" href="#323">323</a>             {
<a name="324" href="#324">324</a>                 setOption(attributes);
<a name="325" href="#325">325</a>             }
<a name="326" href="#326">326</a>         }
<a name="327" href="#327">327</a>         <strong>catch</strong> (Exception e)
<a name="328" href="#328">328</a>         {
<a name="329" href="#329">329</a>             <strong>throw</strong> <strong>new</strong> SAXException(e);
<a name="330" href="#330">330</a>         }
<a name="331" href="#331">331</a>     }
<a name="332" href="#332">332</a> 
<a name="333" href="#333">333</a>     <em>/**<em>*</em></em>
<a name="334" href="#334">334</a> <em>     * Handles closing elements of the xml file.</em>
<a name="335" href="#335">335</a> <em>     *</em>
<a name="336" href="#336">336</a> <em>     * @param uri</em>
<a name="337" href="#337">337</a> <em>     * @param localName The local name (without prefix), or the empty string if</em>
<a name="338" href="#338">338</a> <em>     *         Namespace processing is not being performed.</em>
<a name="339" href="#339">339</a> <em>     * @param rawName The qualified name (with prefix), or the empty string if</em>
<a name="340" href="#340">340</a> <em>     *         qualified names are not available.</em>
<a name="341" href="#341">341</a> <em>     */</em>
<a name="342" href="#342">342</a>     <strong>public</strong> <strong>void</strong> endElement(String uri, String localName, String rawName)
<a name="343" href="#343">343</a>         throws SAXException
<a name="344" href="#344">344</a>     {
<a name="345" href="#345">345</a>         <strong>if</strong> (log.isDebugEnabled())
<a name="346" href="#346">346</a>         {
<a name="347" href="#347">347</a>             log.debug(<span class="string">"endElement("</span> + uri + <span class="string">", "</span> + localName + <span class="string">", "</span>
<a name="348" href="#348">348</a>                     + rawName + <span class="string">") called"</span>);
<a name="349" href="#349">349</a>         }
<a name="350" href="#350">350</a>         <strong>try</strong>
<a name="351" href="#351">351</a>         {
<a name="352" href="#352">352</a>             <em class="comment">// Reset working objects to null to allow option to know</em>
<a name="353" href="#353">353</a>             <em class="comment">// which element it is associated with.</em>
<a name="354" href="#354">354</a>             <strong>if</strong> (rawName.equals(<span class="string">"table"</span>))
<a name="355" href="#355">355</a>             {
<a name="356" href="#356">356</a>                 currTable = <strong>null</strong>;
<a name="357" href="#357">357</a>             }
<a name="358" href="#358">358</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"column"</span>))
<a name="359" href="#359">359</a>             {
<a name="360" href="#360">360</a>                 currColumn = <strong>null</strong>;
<a name="361" href="#361">361</a>             }
<a name="362" href="#362">362</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"foreign-key"</span>))
<a name="363" href="#363">363</a>             {
<a name="364" href="#364">364</a>                 currFK = <strong>null</strong>;
<a name="365" href="#365">365</a>             }
<a name="366" href="#366">366</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"index"</span>))
<a name="367" href="#367">367</a>             {
<a name="368" href="#368">368</a>                 currIndex = <strong>null</strong>;
<a name="369" href="#369">369</a>             }
<a name="370" href="#370">370</a>             <strong>else</strong> <strong>if</strong> (rawName.equals(<span class="string">"unique"</span>))
<a name="371" href="#371">371</a>             {
<a name="372" href="#372">372</a>                 currUnique = <strong>null</strong>;
<a name="373" href="#373">373</a>             }
<a name="374" href="#374">374</a>         }
<a name="375" href="#375">375</a>         <strong>catch</strong> (Exception e)
<a name="376" href="#376">376</a>         {
<a name="377" href="#377">377</a>             <strong>throw</strong> <strong>new</strong> SAXException(e);
<a name="378" href="#378">378</a>         }
<a name="379" href="#379">379</a>     }
<a name="380" href="#380">380</a> 
<a name="381" href="#381">381</a>     <strong>public</strong> <strong>void</strong> setOption(Attributes attributes)
<a name="382" href="#382">382</a>     {
<a name="383" href="#383">383</a>         <em class="comment">// Look thru supported model elements in reverse order to</em>
<a name="384" href="#384">384</a>         <em class="comment">// find one that this option statement applies to.</em>
<a name="385" href="#385">385</a> 
<a name="386" href="#386">386</a>         String key = attributes.getValue(<span class="string">"key"</span>);
<a name="387" href="#387">387</a>         String value = attributes.getValue(<span class="string">"value"</span>);
<a name="388" href="#388">388</a>         <strong>if</strong> (currUnique != <strong>null</strong>)
<a name="389" href="#389">389</a>         {
<a name="390" href="#390">390</a>             currUnique.addOption(key, value);
<a name="391" href="#391">391</a>         }
<a name="392" href="#392">392</a>         <strong>else</strong> <strong>if</strong> (currIndex != <strong>null</strong>)
<a name="393" href="#393">393</a>         {
<a name="394" href="#394">394</a>             currIndex.addOption(key, value);
<a name="395" href="#395">395</a>         }
<a name="396" href="#396">396</a>         <strong>else</strong> <strong>if</strong> (currFK != <strong>null</strong>)
<a name="397" href="#397">397</a>         {
<a name="398" href="#398">398</a>             currFK.addOption(key, value);
<a name="399" href="#399">399</a>         }
<a name="400" href="#400">400</a>         <strong>else</strong> <strong>if</strong> (currColumn != <strong>null</strong>)
<a name="401" href="#401">401</a>         {
<a name="402" href="#402">402</a>             currColumn.addOption(key, value);
<a name="403" href="#403">403</a>         }
<a name="404" href="#404">404</a>         <strong>else</strong> <strong>if</strong> (currTable != <strong>null</strong>)
<a name="405" href="#405">405</a>         {
<a name="406" href="#406">406</a>             currTable.addOption(key, value);
<a name="407" href="#407">407</a>         }
<a name="408" href="#408">408</a>         <strong>else</strong>
<a name="409" href="#409">409</a>         {                            <em class="comment">// Must be a db level option.</em>
<a name="410" href="#410">410</a>             database.addOption(key, value);
<a name="411" href="#411">411</a>         }
<a name="412" href="#412">412</a>     }
<a name="413" href="#413">413</a> 
<a name="414" href="#414">414</a>     <em>/**<em>*</em></em>
<a name="415" href="#415">415</a> <em>     * Handles exception which occur when the xml file is parsed</em>
<a name="416" href="#416">416</a> <em>     * @param e the exception which occured while parsing</em>
<a name="417" href="#417">417</a> <em>     * @throws SAXException always</em>
<a name="418" href="#418">418</a> <em>     */</em>
<a name="419" href="#419">419</a>     <strong>public</strong> <strong>void</strong> error(SAXParseException e) throws SAXException
<a name="420" href="#420">420</a>     {
<a name="421" href="#421">421</a>         log.error(<span class="string">"Sax parser threw an Exception"</span>, e);
<a name="422" href="#422">422</a>         <strong>throw</strong> <strong>new</strong> SAXException(
<a name="423" href="#423">423</a>                 <span class="string">"Error while parsing "</span>
<a name="424" href="#424">424</a>                 + currentXmlFile
<a name="425" href="#425">425</a>                 + <span class="string">" at line "</span>
<a name="426" href="#426">426</a>                 + e.getLineNumber()
<a name="427" href="#427">427</a>                 + <span class="string">" column "</span>
<a name="428" href="#428">428</a>                 + e.getColumnNumber()
<a name="429" href="#429">429</a>                 + <span class="string">" : "</span>
<a name="430" href="#430">430</a>                 + e.getMessage());
<a name="431" href="#431">431</a>     }
<a name="432" href="#432">432</a> 
<a name="433" href="#433">433</a>     <em>/**<em>*</em></em>
<a name="434" href="#434">434</a> <em>     * When parsing multiple files that use nested &lt;external-schema> tags we</em>
<a name="435" href="#435">435</a> <em>     * need to use a stack to remember some values.</em>
<a name="436" href="#436">436</a> <em>     */</em>
<a name="437" href="#437">437</a>     <strong>private</strong> <strong>static</strong> <strong>class</strong> ParseStackElement
<a name="438" href="#438">438</a>     {
<a name="439" href="#439">439</a>         <strong>private</strong> <strong>boolean</strong> isExternalSchema;
<a name="440" href="#440">440</a>         <strong>private</strong> String currentPackage;
<a name="441" href="#441">441</a>         <strong>private</strong> String currentXmlFile;
<a name="442" href="#442">442</a>         <strong>private</strong> <strong>boolean</strong> firstPass;
<a name="443" href="#443">443</a> 
<a name="444" href="#444">444</a>         <em>/**<em>*</em></em>
<a name="445" href="#445">445</a> <em>         *</em>
<a name="446" href="#446">446</a> <em>         * @param parser</em>
<a name="447" href="#447">447</a> <em>         */</em>
<a name="448" href="#448">448</a>         <strong>public</strong> ParseStackElement(<a href="../../../../../../org/apache/torque/engine/database/transform/XmlToAppData.html">XmlToAppData</a> parser)
<a name="449" href="#449">449</a>         {
<a name="450" href="#450">450</a>             <em class="comment">// remember current state of parent object</em>
<a name="451" href="#451">451</a>             isExternalSchema = parser.isExternalSchema;
<a name="452" href="#452">452</a>             currentPackage = parser.currentPackage;
<a name="453" href="#453">453</a>             currentXmlFile = parser.currentXmlFile;
<a name="454" href="#454">454</a>             firstPass = parser.firstPass;
<a name="455" href="#455">455</a> 
<a name="456" href="#456">456</a>             <em class="comment">// push the state onto the stack</em>
<a name="457" href="#457">457</a>             parser.parsingStack.push(<strong>this</strong>);
<a name="458" href="#458">458</a>         }
<a name="459" href="#459">459</a> 
<a name="460" href="#460">460</a>         <em>/**<em>*</em></em>
<a name="461" href="#461">461</a> <em>         * Removes the top element from the stack and activates the stored state</em>
<a name="462" href="#462">462</a> <em>         *</em>
<a name="463" href="#463">463</a> <em>         * @param parser</em>
<a name="464" href="#464">464</a> <em>         */</em>
<a name="465" href="#465">465</a>         <strong>public</strong> <strong>static</strong> <strong>void</strong> popState(<a href="../../../../../../org/apache/torque/engine/database/transform/XmlToAppData.html">XmlToAppData</a> parser)
<a name="466" href="#466">466</a>         {
<a name="467" href="#467">467</a>             <strong>if</strong> (!parser.parsingStack.isEmpty())
<a name="468" href="#468">468</a>             {
<a name="469" href="#469">469</a>                 ParseStackElement elem = (ParseStackElement)
<a name="470" href="#470">470</a>                         parser.parsingStack.pop();
<a name="471" href="#471">471</a> 
<a name="472" href="#472">472</a>                 <em class="comment">// activate stored state</em>
<a name="473" href="#473">473</a>                 parser.isExternalSchema = elem.isExternalSchema;
<a name="474" href="#474">474</a>                 parser.currentPackage = elem.currentPackage;
<a name="475" href="#475">475</a>                 parser.currentXmlFile = elem.currentXmlFile;
<a name="476" href="#476">476</a>                 parser.firstPass = elem.firstPass;
<a name="477" href="#477">477</a>             }
<a name="478" href="#478">478</a>         }
<a name="479" href="#479">479</a> 
<a name="480" href="#480">480</a>         <em>/**<em>*</em></em>
<a name="481" href="#481">481</a> <em>         * Stores the current state on the top of the stack.</em>
<a name="482" href="#482">482</a> <em>         *</em>
<a name="483" href="#483">483</a> <em>         * @param parser</em>
<a name="484" href="#484">484</a> <em>         */</em>
<a name="485" href="#485">485</a>         <strong>public</strong> <strong>static</strong> <strong>void</strong> pushState(<a href="../../../../../../org/apache/torque/engine/database/transform/XmlToAppData.html">XmlToAppData</a> parser)
<a name="486" href="#486">486</a>         {
<a name="487" href="#487">487</a>             <strong>new</strong> ParseStackElement(parser);
<a name="488" href="#488">488</a>         }
<a name="489" href="#489">489</a>     }
<a name="490" href="#490">490</a> }
</pre>
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